(19)

(11)

EP 1 068 484 A1

(12)

(43) Date of publication: 17.01.2001 Bulletin 2001/03 (21) Application number: 99914666.5 (22) Date of filing: 06.04.1999

(51) International Patent Classification (IPC)7: F42C 15/24, F42C 15/26, F42C 15/192 (86) International application number: PCT/GB9901/042 (87) International publication number: WO 9951/934 (14.10.1999 Gazette 1999/41)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 03.04.1998 GB 9807290 11.08.1998 GB 9817471 (71) Applicant: Special Cartridge Company Limited London W1H 3HJ (GB)	(72) Inventors: ALCULUMBRE, Michael London N3 3JJ (GB) SHARP, Frederick London NW3 4TH (GB) (74) Representative: Ablett, Graham Keith et al Ablett & Stebbing,Caparo House,101-103 Baker Street London W1M 1FD London W1M 1FD (GB)